【单选题】The two main islands of the British Isles are .
A.
Great Britain and Ireland
B.
Great Britain and Scotland
C.
Great Britain and Wales
D.
Great Britain and England
【简答题】什么叫阻力平方区? 答:摩擦系数图中( )线以上的区域,又叫( )区,此区由λ~Re曲线趋近( )线,即λ与( )无关,只与( )有关,即当ε/d一定时,λ也就确定了。此时直管阻力hf正比于( )的平方,称为( )。
【单选题】American football and British rugby are different in .
C.
kicking the ball for points
【单选题】The two main islands of the British Isles are .
A.
Great Britain and Wales
B.
Great Britain and Scotland
C.
Great Britain and Ireland
D.
Great Britain and England
【简答题】实训练习 3 : 使用 T-SQL 语句创建一个名为 p3 的存储过程,该过程实现任意输入班级名称,就能输出(输出参数)该班的学生人数。